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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/diagnostics/sqlite_diagnostics.h"
#include "app/sql/connection.h"
#include "app/sql/diagnostic_error_delegate.h"
#include "app/sql/statement.h"
#include "base/file_util.h"
#include "base/histogram.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/singleton.h"
#include "base/string_util.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_paths.h"
#include "third_party/sqlite/preprocessed/sqlite3.h"
#include "webkit/appcache/appcache_interfaces.h"
#include "webkit/database/database_tracker.h"
namespace {
// Generic diagnostic test class for checking sqlite db integrity.
class SqliteIntegrityTest : public DiagnosticTest {
public:
SqliteIntegrityTest(bool critical, const string16& title,
const FilePath& profile_relative_db_path)
: DiagnosticTest(title),
critical_(critical),
db_path_(profile_relative_db_path) {
}
virtual int GetId() { return 0; }
virtual bool ExecuteImpl(DiagnosticsModel::Observer* observer) {
FilePath path = GetUserDefaultProfileDir();
path = path.Append(db_path_);
if (!file_util::PathExists(path)) {
RecordOutcome(ASCIIToUTF16("File not found"),
critical_ ? DiagnosticsModel::TEST_FAIL_CONTINUE :
DiagnosticsModel::TEST_OK);
return true;
}
int errors = 0;
{ // This block scopes the lifetime of the db objects.
sql::Connection db;
db.set_exclusive_locking();
if (!db.Open(path)) {
RecordFailure(ASCIIToUTF16("Cannot open DB. Possibly corrupted"));
return true;
}
sql::Statement s(db.GetUniqueStatement("PRAGMA integrity_check;"));
if (!s) {
int error = db.GetErrorCode();
if (SQLITE_BUSY == error) {
RecordFailure(ASCIIToUTF16("DB locked by another process"));
} else {
string16 str(ASCIIToUTF16("Pragma failed. Error: "));
str += IntToString16(error);
RecordFailure(str);
}
return false;
}
while (s.Step()) {
std::string result(s.ColumnString(0));
if ("ok" != result)
++errors;
}
}
// All done. Report to the user.
if (errors != 0) {
string16 str(ASCIIToUTF16("Database corruption detected :"));
str += IntToString16(errors) + ASCIIToUTF16(" errors");
RecordFailure(str);
return true;
}
RecordSuccess(ASCIIToUTF16("no corruption detected"));
return true;
}
private:
bool critical_;
FilePath db_path_;
DISALLOW_COPY_AND_ASSIGN(SqliteIntegrityTest);
};
// Uniquifier to use the sql::DiagnosticErrorDelegate template which
// requires a static name() method.
template <size_t unique>
class HistogramUniquifier {
public:
static const char* name() {
const char* kHistogramNames[] = {
"Sqlite.Cookie.Error",
"Sqlite.History.Error",
"Sqlite.Thumbnail.Error",
"Sqlite.Text.Error",
"Sqlite.Web.Error"
};
return kHistogramNames[unique];
}
};
} // namespace
sql::ErrorDelegate* GetErrorHandlerForCookieDb() {
return new sql::DiagnosticErrorDelegate<HistogramUniquifier<0> >();
}
sql::ErrorDelegate* GetErrorHandlerForHistoryDb() {
return new sql::DiagnosticErrorDelegate<HistogramUniquifier<1> >();
}
sql::ErrorDelegate* GetErrorHandlerForThumbnailDb() {
return new sql::DiagnosticErrorDelegate<HistogramUniquifier<2> >();
}
sql::ErrorDelegate* GetErrorHandlerForTextDb() {
return new sql::DiagnosticErrorDelegate<HistogramUniquifier<3> >();
}
sql::ErrorDelegate* GetErrorHandlerForWebDb() {
return new sql::DiagnosticErrorDelegate<HistogramUniquifier<4> >();
}
DiagnosticTest* MakeSqliteWebDbTest() {
return new SqliteIntegrityTest(true, ASCIIToUTF16("Web DB"),
FilePath(chrome::kWebDataFilename));
}
DiagnosticTest* MakeSqliteCookiesDbTest() {
return new SqliteIntegrityTest(true, ASCIIToUTF16("Cookies DB"),
FilePath(chrome::kCookieFilename));
}
DiagnosticTest* MakeSqliteHistoryDbTest() {
return new SqliteIntegrityTest(true, ASCIIToUTF16("History DB"),
FilePath(chrome::kHistoryFilename));
}
DiagnosticTest* MakeSqliteArchivedHistoryDbTest() {
return new SqliteIntegrityTest(false, ASCIIToUTF16("Archived History DB"),
FilePath(chrome::kArchivedHistoryFilename));
}
DiagnosticTest* MakeSqliteThumbnailsDbTest() {
return new SqliteIntegrityTest(false, ASCIIToUTF16("Thumbnails DB"),
FilePath(chrome::kThumbnailsFilename));
}
DiagnosticTest* MakeSqliteAppCacheDbTest() {
FilePath appcache_dir(chrome::kAppCacheDirname);
FilePath appcache_db = appcache_dir.Append(appcache::kAppCacheDatabaseName);
return new SqliteIntegrityTest(false, ASCIIToUTF16("AppCache DB"),
appcache_db);
}
DiagnosticTest* MakeSqliteWebDatabaseTrackerDbTest() {
FilePath databases_dir(webkit_database::kDatabaseDirectoryName);
FilePath tracker_db =
databases_dir.Append(webkit_database::kTrackerDatabaseFileName);
return new SqliteIntegrityTest(false, ASCIIToUTF16("DatabaseTracker DB"),
tracker_db);
}
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